[INFO] cloning repository https://github.com/tomhrr/owhois
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomhrr/owhois" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomhrr%2Fowhois", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomhrr%2Fowhois'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 77dd31754c34b13852013ea28c748154dc4c32b5
[INFO] testing tomhrr/owhois against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomhrr%2Fowhois" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tomhrr/owhois on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tomhrr/owhois
[INFO] finished tweaking git repo https://github.com/tomhrr/owhois
[INFO] tweaked toml for git repo https://github.com/tomhrr/owhois written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/tomhrr/owhois already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15162abdb1ab400e65078685df19f22f2ab150263a67306114418c404e01a9b3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "15162abdb1ab400e65078685df19f22f2ab150263a67306114418c404e01a9b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15162abdb1ab400e65078685df19f22f2ab150263a67306114418c404e01a9b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15162abdb1ab400e65078685df19f22f2ab150263a67306114418c404e01a9b3", kill_on_drop: false }`
[INFO] [stdout] 15162abdb1ab400e65078685df19f22f2ab150263a67306114418c404e01a9b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc93e6f764bc813da3483f20f053ac4177beaf1627f5c45997f20191188aaf53
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fc93e6f764bc813da3483f20f053ac4177beaf1627f5c45997f20191188aaf53", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures v0.1.17
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]    Compiling lazycell v0.5.1
[INFO] [stderr]    Compiling slab v0.1.3
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling bytes v0.3.0
[INFO] [stderr]    Compiling slab v0.4.0
[INFO] [stderr]    Compiling termcolor v0.3.3
[INFO] [stderr]    Compiling smallvec v0.4.4
[INFO] [stderr]    Compiling serde v1.0.25
[INFO] [stderr]    Compiling treebitmap v0.2.2
[INFO] [stderr]    Compiling getopts v0.2.15
[INFO] [stderr]    Compiling ipnet v1.0.0
[INFO] [stderr]    Compiling iovec v0.1.1
[INFO] [stderr]    Compiling num_cpus v1.7.0
[INFO] [stderr]    Compiling inotify v0.3.0
[INFO] [stderr]    Compiling net2 v0.2.31
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]    Compiling filetime v0.1.14
[INFO] [stdout] error[E0503]: cannot use `state` because it was mutably borrowed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.15/src/lib.rs:1033:33
[INFO] [stdout]      |
[INFO] [stdout] 978  |     let mut machine = |cont: &mut bool, (i, c): (usize, char)| {
[INFO] [stdout]      |                       ---------------------------------------- borrow of `state` occurs here
[INFO] [stdout] ...
[INFO] [stdout] 982  |         state = match (state, whitespace, limit) {
[INFO] [stdout]      |                        ----- borrow occurs due to use of `state` in closure
[INFO] [stdout] ...
[INFO] [stdout] 1033 |     while cont && match state { B | C => true, A => false } {
[INFO] [stdout]      |                                 ^ use of borrowed `state`
[INFO] [stdout] 1034 |         machine(&mut cont, (fake_i, ' '));
[INFO] [stdout]      |         ------- borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0503`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `getopts`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fc93e6f764bc813da3483f20f053ac4177beaf1627f5c45997f20191188aaf53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc93e6f764bc813da3483f20f053ac4177beaf1627f5c45997f20191188aaf53", kill_on_drop: false }`
[INFO] [stdout] fc93e6f764bc813da3483f20f053ac4177beaf1627f5c45997f20191188aaf53